diff --git a/libraries/intentIqConstants/intentIqConstants.js b/libraries/intentIqConstants/intentIqConstants.ts
similarity index 94%
rename from libraries/intentIqConstants/intentIqConstants.js
rename to libraries/intentIqConstants/intentIqConstants.ts
index bfa8ae48d82..d65cb3d5346 100644
--- a/libraries/intentIqConstants/intentIqConstants.js
+++ b/libraries/intentIqConstants/intentIqConstants.ts
@@ -7,8 +7,8 @@ export const WITHOUT_IIQ = "B";
 export const DEFAULT_PERCENTAGE = 95;
 export const CLIENT_HINTS_KEY = "_iiq_ch";
 export const EMPTY = "EMPTY";
-export const GVLID = "1323";
-export const VERSION = 0.37;
+export const GVLID = 1323;
+export const VERSION = 0.38;
 export const PREBID = "pbjs";
 export const HOURS_24 = 86400000;
 export const HOURS_72 = HOURS_24 * 3;
diff --git a/libraries/intentIqUtils/chUtils.js b/libraries/intentIqUtils/chUtils.ts
similarity index 80%
rename from libraries/intentIqUtils/chUtils.js
rename to libraries/intentIqUtils/chUtils.ts
index 363b2fe2bb6..cf2b7b0397b 100644
--- a/libraries/intentIqUtils/chUtils.js
+++ b/libraries/intentIqUtils/chUtils.ts
@@ -1,4 +1,4 @@
-export function isCHSupported(nav) {
+export function isCHSupported(nav?) {
   const n = nav ?? (typeof navigator !== 'undefined' ? navigator : undefined);
   return typeof n?.userAgentData?.getHighEntropyValues === 'function';
 };
diff --git a/libraries/intentIqUtils/cryptionUtils.js b/libraries/intentIqUtils/cryptionUtils.ts
similarity index 80%
rename from libraries/intentIqUtils/cryptionUtils.js
rename to libraries/intentIqUtils/cryptionUtils.ts
index f0d01b3d502..d70dc8309f3 100644
--- a/libraries/intentIqUtils/cryptionUtils.js
+++ b/libraries/intentIqUtils/cryptionUtils.ts
@@ -5,7 +5,7 @@
  * @param {number} [key=42] The XOR key (0–255) to use for encryption.
  * @returns {string} The encrypted text as a dot-separated string.
  */
-export function encryptData(plainText, key = 42) {
+export function encryptData(plainText: string, key: number = 42): string {
   let out = '';
   for (let i = 0; i < plainText.length; i++) {
     out += (plainText.charCodeAt(i) ^ key) + '.';
@@ -21,11 +21,11 @@ export function encryptData(plainText, key = 42) {
  * @param {number} [key=42] The XOR key (0–255) used for encryption.
  * @returns {string} The decrypted plaintext.
  */
-export function decryptData(encryptedText, key = 42) {
+export function decryptData(encryptedText: string, key: number = 42): string {
   const parts = encryptedText.split('.');
   let out = '';
   for (let i = 0; i < parts.length; i++) {
-    out += String.fromCharCode(parts[i] ^ key);
+    out += String.fromCharCode(Number(parts[i]) ^ key);
   }
   return out;
-}
+}
\ No newline at end of file
diff --git a/libraries/intentIqUtils/defineABTestingGroupUtils.js b/libraries/intentIqUtils/defineABTestingGroupUtils.ts
similarity index 74%
rename from libraries/intentIqUtils/defineABTestingGroupUtils.js
rename to libraries/intentIqUtils/defineABTestingGroupUtils.ts
index af810ac278c..11fddb51ef1 100644
--- a/libraries/intentIqUtils/defineABTestingGroupUtils.js
+++ b/libraries/intentIqUtils/defineABTestingGroupUtils.ts
@@ -3,7 +3,15 @@ import {
   WITHOUT_IIQ,
   DEFAULT_PERCENTAGE,
   AB_CONFIG_SOURCE,
-} from "../intentIqConstants/intentIqConstants.js";
+} from '../intentIqConstants/intentIqConstants.js';
+
+type ABGroup = typeof WITH_IIQ | typeof WITHOUT_IIQ;
+
+interface ABTestingConfig {
+  ABTestingConfigurationSource?: string;
+  abPercentage?: number;
+  group?: string;
+}
 
 /**
  * Fix percentage if provided some incorrect data
@@ -11,7 +19,7 @@ import {
  * clampPct(-5) => 0
  * clampPct('abc') => DEFAULT_PERCENTAGE
  */
-function clampPct(val) {
+function clampPct(val: unknown): number {
   const n = Number(val);
   if (!Number.isFinite(n)) return DEFAULT_PERCENTAGE; // fallback = 95
   return Math.max(0, Math.min(100, n));
@@ -24,16 +32,18 @@ function clampPct(val) {
  * @param {number} pct The percentage threshold (0–100).
  * @returns {string} Returns WITH_IIQ for Group A or WITHOUT_IIQ for Group B.
  */
-function pickABByPercentage(pct) {
+function pickABByPercentage(pct?: number): ABGroup {
   const percentageToUse =
-  typeof pct === "number" ? pct : DEFAULT_PERCENTAGE;
+    typeof pct === 'number' ? pct : DEFAULT_PERCENTAGE;
   const percentage = clampPct(percentageToUse);
   const roll = Math.floor(Math.random() * 100) + 1;
   return roll <= percentage ? WITH_IIQ : WITHOUT_IIQ; // A : B
 }
 
-function configurationSourceGroupInitialization(group) {
-  return typeof group === 'string' && group.toUpperCase() === WITHOUT_IIQ ? WITHOUT_IIQ : WITH_IIQ;
+function configurationSourceGroupInitialization(group?: string): ABGroup {
+  return typeof group === 'string' && group.toUpperCase() === WITHOUT_IIQ
+    ? WITHOUT_IIQ
+    : WITH_IIQ;
 }
 
 /**
@@ -47,23 +57,27 @@ function configurationSourceGroupInitialization(group) {
  * @param {number} [abPercentage] A/B percentage provided by partner.
  * @returns {string} The determined group: WITH_IIQ (A) or WITHOUT_IIQ (B).
  */
-
-function IIQServerConfigurationSource(tc, abPercentage) {
-  if (typeof tc === "number" && Number.isFinite(tc)) {
+function IIQServerConfigurationSource(tc?: number, abPercentage?: number): ABGroup {
+  if (typeof tc === 'number' && Number.isFinite(tc)) {
     return tc === 41 ? WITHOUT_IIQ : WITH_IIQ;
   }
 
   return pickABByPercentage(abPercentage);
 }
 
-export function defineABTestingGroup(configObject, tc) {
+export function defineABTestingGroup(
+  configObject: ABTestingConfig,
+  tc?: number
+): ABGroup {
   switch (configObject.ABTestingConfigurationSource) {
     case AB_CONFIG_SOURCE.GROUP:
       return configurationSourceGroupInitialization(
         configObject.group
       );
+
     case AB_CONFIG_SOURCE.PERCENTAGE:
       return pickABByPercentage(configObject.abPercentage);
+
     default: {
       if (!configObject.ABTestingConfigurationSource) {
         configObject.ABTestingConfigurationSource = AB_CONFIG_SOURCE.IIQ_SERVER;
@@ -71,4 +85,4 @@ export function defineABTestingGroup(configObject, tc) {
       return IIQServerConfigurationSource(tc, configObject.abPercentage);
     }
   }
-}
+}
\ No newline at end of file
diff --git a/libraries/intentIqUtils/detectBrowserUtils.js b/libraries/intentIqUtils/detectBrowserUtils.ts
similarity index 69%
rename from libraries/intentIqUtils/detectBrowserUtils.js
rename to libraries/intentIqUtils/detectBrowserUtils.ts
index 37a935bda28..49a9385fb95 100644
--- a/libraries/intentIqUtils/detectBrowserUtils.js
+++ b/libraries/intentIqUtils/detectBrowserUtils.ts
@@ -1,15 +1,24 @@
 import { logError } from '../../src/utils.js';
 
+type BrowserName =
+  | 'chrome'
+  | 'edge'
+  | 'firefox'
+  | 'ie'
+  | 'opera'
+  | 'safari'
+  | 'unknown';
+
 /**
  * Detects the browser using either userAgent or userAgentData
  * @return {string} The name of the detected browser or 'unknown' if unable to detect
  */
-export function detectBrowser() {
+export function detectBrowser(): BrowserName {
   try {
-    if (navigator.userAgent) {
+    if (navigator?.userAgent) {
       return detectBrowserFromUserAgent(navigator.userAgent);
-    } else if (navigator.userAgentData) {
-      return detectBrowserFromUserAgentData(navigator.userAgentData);
+    } else if ((navigator as any)?.userAgentData) {
+      return detectBrowserFromUserAgentData((navigator as any)?.userAgentData);
     }
   } catch (error) {
     logError('Error detecting browser:', error);
@@ -22,8 +31,8 @@ export function detectBrowser() {
  * @param {string} userAgent - The user agent string from the browser
  * @return {string} The name of the detected browser or 'unknown' if unable to detect
  */
-export function detectBrowserFromUserAgent(userAgent) {
-  const browserRegexPatterns = {
+export function detectBrowserFromUserAgent(userAgent: string): BrowserName {
+  const browserRegexPatterns: Record<string, RegExp> = {
     opera: /Opera|OPR/,
     edge: /Edg/,
     chrome: /Chrome|CriOS/,
@@ -48,14 +57,17 @@ export function detectBrowserFromUserAgent(userAgent) {
   }
 
   // Now we can safely check for Safari
-  if (browserRegexPatterns.safari.test(userAgent) && !browserRegexPatterns.chrome.test(userAgent)) {
+  if (
+    browserRegexPatterns.safari.test(userAgent) &&
+    !browserRegexPatterns.chrome.test(userAgent)
+  ) {
     return 'safari';
   }
 
   // Check other browsers
   for (const browser in browserRegexPatterns) {
     if (browserRegexPatterns[browser].test(userAgent)) {
-      return browser;
+      return browser as BrowserName;
     }
   }
 
@@ -67,16 +79,20 @@ export function detectBrowserFromUserAgent(userAgent) {
  * @param {Object} userAgentData - The user agent data object from the browser
  * @return {string} The name of the detected browser or 'unknown' if unable to detect
  */
-export function detectBrowserFromUserAgentData(userAgentData) {
+export function detectBrowserFromUserAgentData(
+  userAgentData
+): BrowserName {
   const brandNames = userAgentData.brands.map(brand => brand.brand);
 
   if (brandNames.includes('Microsoft Edge')) {
     return 'edge';
   } else if (brandNames.includes('Opera')) {
     return 'opera';
-  } else if (brandNames.some(brand => brand === 'Chromium' || brand === 'Google Chrome')) {
+  } else if (
+    brandNames.some(brand => brand === 'Chromium' || brand === 'Google Chrome')
+  ) {
     return 'chrome';
   }
 
   return 'unknown';
-}
+}
\ No newline at end of file
diff --git a/libraries/intentIqUtils/gamPredictionReport.js b/libraries/intentIqUtils/gamPredictionReport.ts
similarity index 56%
rename from libraries/intentIqUtils/gamPredictionReport.js
rename to libraries/intentIqUtils/gamPredictionReport.ts
index bc5bcbac566..79f072c9350 100644
--- a/libraries/intentIqUtils/gamPredictionReport.js
+++ b/libraries/intentIqUtils/gamPredictionReport.ts
@@ -2,13 +2,17 @@ import { getEvents } from '../../src/events.js';
 import { logError } from '../../src/utils.js';
 import { getSlotTargetingMap } from '../../src/utils/gptTargeting.js';
 
-export function gamPredictionReport (gamObjectReference, sendData) {
+export function gamPredictionReport(
+  gamObjectReference: any,
+  sendData: (data: Record<string, any>) => void
+): void {
   try {
     if (!gamObjectReference || !sendData) {
       logError('Failed to get gamPredictionReport, required data is missed');
       return;
     }
-    const getSlotTargeting = (slot) => {
+
+    const getSlotTargeting = (slot: any): Record<string, string[]> => {
       try {
         return getSlotTargetingMap(slot);
       } catch (e) {
@@ -17,11 +21,11 @@ export function gamPredictionReport (gamObjectReference, sendData) {
       }
     };
 
-    const extractWinData = (gamEvent) => {
+    const extractWinData = (gamEvent: any): Record<string, any> | undefined => {
       const slot = gamEvent.slot;
       const targeting = getSlotTargeting(slot);
 
-      const dataToSend = {
+      const dataToSend: Record<string, any> = {
         placementId: slot.getSlotElementId && slot.getSlotElementId(),
         adUnitPath: slot.getAdUnitPath && slot.getAdUnitPath(),
         bidderCode: targeting.hb_bidder ? targeting.hb_bidder[0] : null,
@@ -30,70 +34,88 @@ export function gamPredictionReport (gamObjectReference, sendData) {
 
       if (dataToSend.placementId) {
         // TODO check auto subscription to prebid events
-        const bidWonEvents = getEvents().filter((ev) => ev.eventType === 'bidWon');
+        const bidWonEvents = getEvents().filter((ev: any) => ev.eventType === 'bidWon');
         if (bidWonEvents.length) {
           for (let i = bidWonEvents.length - 1; i >= 0; i--) {
             const element = bidWonEvents[i];
             if (
               dataToSend.placementId === element.id &&
-                            targeting.hb_adid &&
-                            targeting.hb_adid[0] === element.args.adId
+              targeting.hb_adid &&
+              targeting.hb_adid[0] === (element.args as any).adId
             ) {
-              return; // don't send report if there was bidWon event earlier
+              return;
             }
           }
         }
-        const endEvents = getEvents().filter((ev) => ev.eventType === 'auctionEnd');
+
+        const endEvents = getEvents().filter((ev: any) => ev.eventType === 'auctionEnd');
+
         if (endEvents.length) {
           for (let i = endEvents.length - 1; i >= 0; i--) {
-            // starting from the last event
             const element = endEvents[i];
-            if (element.args?.adUnitCodes?.includes(dataToSend.placementId)) {
-              const defineRelevantData = (bid) => {
-                dataToSend.cpm = bid.cpm + 0.01; // add one cent to the cpm
+
+            if ((element.args as any)?.adUnitCodes?.includes(dataToSend.placementId)) {
+              const defineRelevantData = (bid: any): void => {
+                dataToSend.cpm = bid.cpm + 0.01;
                 dataToSend.currency = bid.currency;
                 dataToSend.originalCpm = bid.originalCpm;
                 dataToSend.originalCurrency = bid.originalCurrency;
                 dataToSend.status = bid.status;
-                dataToSend.prebidAuctionId = element.args?.auctionId;
-                if (!dataToSend.bidderCode) dataToSend.bidderCode = 'GAM';
+                dataToSend.prebidAuctionId = (element.args as any)?.auctionId;
+
+                if (!dataToSend.bidderCode) {
+                  dataToSend.bidderCode = 'GAM';
+                }
               };
+
               if (dataToSend.bidderCode) {
-                const relevantBid = element.args?.bidsReceived.find(
-                  (item) =>
+                const relevantBid = (element.args as any)?.bidsReceived.find(
+                  (item: any) =>
                     item.bidder === dataToSend.bidderCode &&
-                                        item.adUnitCode === dataToSend.placementId
+                    item.adUnitCode === dataToSend.placementId
                 );
+
                 if (relevantBid) {
                   defineRelevantData(relevantBid);
                   break;
                 }
               } else {
                 let highestBid = 0;
-                element.args?.bidsReceived.forEach((bid) => {
-                  if (bid.adUnitCode === dataToSend.placementId && bid.cpm > highestBid) {
+
+                (element.args as any)?.bidsReceived.forEach((bid: any) => {
+                  if (
+                    bid.adUnitCode === dataToSend.placementId &&
+                    bid.cpm > highestBid
+                  ) {
                     highestBid = bid.cpm;
                     defineRelevantData(bid);
                   }
                 });
+
                 break;
               }
             }
           }
         }
       }
+
       return dataToSend;
     };
+
     gamObjectReference.cmd.push(() => {
-      gamObjectReference.pubads().addEventListener('slotRenderEnded', (event) => {
-        if (event.isEmpty) return;
-        const data = extractWinData(event);
-        if (data) {
-          sendData(data);
+      gamObjectReference.pubads().addEventListener(
+        'slotRenderEnded',
+        (event: any) => {
+          if (event.isEmpty) return;
+
+          const data = extractWinData(event);
+          if (data) {
+            sendData(data);
+          }
         }
-      });
+      );
     });
   } catch (error) {
     logError('Failed to subscribe to GAM: ' + error);
   }
-};
+}
\ No newline at end of file
diff --git a/libraries/intentIqUtils/getCmpData.js b/libraries/intentIqUtils/getCmpData.ts
similarity index 56%
rename from libraries/intentIqUtils/getCmpData.js
rename to libraries/intentIqUtils/getCmpData.ts
index 63a953b77c9..3e062219ca8 100644
--- a/libraries/intentIqUtils/getCmpData.js
+++ b/libraries/intentIqUtils/getCmpData.ts
@@ -1,4 +1,12 @@
-import { allConsent } from "../../src/consentHandler.js";
+import { allConsent } from '../../src/consentHandler.js';
+
+interface CmpData {
+  gdprApplies: boolean;
+  gdprString: string | null;
+  uspString: string | null;
+  gppString: string | null;
+  tcfApiVersion?: number | string;
+}
 
 /**
  * Retrieves consent data from the Consent Management Platform (CMP).
@@ -8,26 +16,34 @@ import { allConsent } from "../../src/consentHandler.js";
  * - `uspString` (string): USP consent string if available.
  * - `gppString` (string): GPP consent string if available.
  */
-export function getCmpData() {
+export function getCmpData(): CmpData {
   const consentData = allConsent.getConsentData();
 
   return {
     gdprApplies: consentData?.gdpr?.gdprApplies || false,
-    gdprString: typeof consentData?.gdpr?.consentString === 'string' ? consentData.gdpr.consentString : null,
-    uspString: typeof consentData?.usp === 'string' ? consentData.usp : null,
-    gppString: typeof consentData?.gpp?.gppString === 'string' ? consentData.gpp.gppString : null,
+    gdprString: typeof consentData?.gdpr?.consentString === 'string'
+      ? consentData.gdpr.consentString
+      : null,
+    uspString: typeof consentData?.usp === 'string'
+      ? consentData.usp
+      : null,
+    gppString: typeof consentData?.gpp?.gppString === 'string'
+      ? consentData.gpp.gppString
+      : null,
     tcfApiVersion: consentData?.gdpr?.apiVersion
   };
 }
 
-export function isValidValue(val) {
+export function isValidValue(val: unknown): boolean {
   return !!val && val !== 'undefined';
 }
 
-export function areCmpValuesEqual(a, b) {
+export function areCmpValuesEqual(a: unknown, b: unknown): boolean {
   const aValid = isValidValue(a);
   const bValid = isValidValue(b);
+
   if (!aValid && !bValid) return true;
   if (aValid !== bValid) return false;
+
   return a === b;
-}
+}
\ No newline at end of file
diff --git a/libraries/intentIqUtils/getRefferer.js b/libraries/intentIqUtils/getRefferer.ts
similarity index 77%
rename from libraries/intentIqUtils/getRefferer.js
rename to libraries/intentIqUtils/getRefferer.ts
index 40fdabb2b0b..20a68607f3a 100644
--- a/libraries/intentIqUtils/getRefferer.js
+++ b/libraries/intentIqUtils/getRefferer.ts
@@ -4,9 +4,9 @@ import { getWindowTop, logError, getWindowLocation, getWindowSelf } from '../../
  * Determines if the script is running inside an iframe and retrieves the URL.
  * @return {string} The encoded vrref value representing the relevant URL.
  */
+export function getCurrentUrl(): string {
+  let url: string;
 
-export function getCurrentUrl() {
-  let url;
   try {
     if (getWindowSelf() === getWindowTop()) {
       // top page
@@ -18,7 +18,7 @@ export function getCurrentUrl() {
 
     if (url.length >= 50) {
       return new URL(url).origin;
-    };
+    }
 
     return url;
   } catch (error) {
@@ -36,13 +36,19 @@ export function getCurrentUrl() {
  * @param {string} domainName - The domain name used to determine the relevant referrer.
  * @return {string} The modified URL with appended `vrref` or `fui` parameters.
  */
-export function appendVrrefAndFui(url, domainName) {
+export function appendVrrefAndFui(url: string, domainName?: string): string {
   const fullUrl = getCurrentUrl();
+
   if (fullUrl) {
-    return (url + '&vrref=' + getRelevantRefferer(domainName, fullUrl));
+    return url + '&vrref=' + getRelevantRefferer(domainName, fullUrl);
   }
+
   url += '&fui=1'; // Full Url Issue
-  if (domainName) url += '&vrref=' + encodeURIComponent(domainName);
+
+  if (domainName) {
+    url += '&vrref=' + encodeURIComponent(domainName);
+  }
+
   return url;
 }
 
@@ -52,9 +58,11 @@ export function appendVrrefAndFui(url, domainName) {
  * @param {string} fullUrl The full URL to analyze
  * @return {string} The relevant referrer
  */
-export function getRelevantRefferer(domainName, fullUrl) {
+export function getRelevantRefferer(domainName: string | undefined, fullUrl: string): string {
   return encodeURIComponent(
-    domainName && isDomainIncluded(fullUrl, domainName) ? fullUrl : (domainName || fullUrl)
+    domainName && isDomainIncluded(fullUrl, domainName)
+      ? fullUrl
+      : (domainName || fullUrl)
   );
 }
 
@@ -64,11 +72,11 @@ export function getRelevantRefferer(domainName, fullUrl) {
  * @param {string} domainName - The domain name to search for within the URL.
  * @return {boolean} `True` if the domain name is found in the URL, `false` otherwise.
  */
-export function isDomainIncluded(fullUrl, domainName) {
+export function isDomainIncluded(fullUrl: string, domainName: string): boolean {
   try {
     return new URL(fullUrl).hostname === domainName;
   } catch (error) {
     logError(`Invalid URL provided: ${error}`);
     return false;
   }
-}
+}
\ No newline at end of file
diff --git a/libraries/intentIqUtils/getSyncKey.js b/libraries/intentIqUtils/getSyncKey.js
deleted file mode 100644
index a21dd140e4c..00000000000
--- a/libraries/intentIqUtils/getSyncKey.js
+++ /dev/null
@@ -1 +0,0 @@
-export const SYNC_KEY = (partner) => '_iiq_sync' + '_' + partner;
diff --git a/libraries/intentIqUtils/getSyncKey.ts b/libraries/intentIqUtils/getSyncKey.ts
new file mode 100644
index 00000000000..d3f74da48f2
--- /dev/null
+++ b/libraries/intentIqUtils/getSyncKey.ts
@@ -0,0 +1 @@
+export const SYNC_KEY = (partner: number): string => `_iiq_sync_${partner}`;
\ No newline at end of file
diff --git a/libraries/intentIqUtils/getUnitPosition.js b/libraries/intentIqUtils/getUnitPosition.ts
similarity index 62%
rename from libraries/intentIqUtils/getUnitPosition.js
rename to libraries/intentIqUtils/getUnitPosition.ts
index 025a06a9964..976794b6ed7 100644
--- a/libraries/intentIqUtils/getUnitPosition.js
+++ b/libraries/intentIqUtils/getUnitPosition.ts
@@ -1,4 +1,14 @@
-export function getUnitPosition(pbjs, adUnitCode) {
+interface Pbjs {
+  adUnits?: Array<{
+    code?: string;
+    mediaTypes?: Record<string, { pos?: number }>;
+  }>;
+}
+
+export function getUnitPosition(
+  pbjs: Pbjs | undefined,
+  adUnitCode: string
+): number | undefined {
   const adUnits = pbjs?.adUnits;
   if (!Array.isArray(adUnits) || !adUnitCode) return;
 
@@ -6,7 +16,7 @@ export function getUnitPosition(pbjs, adUnitCode) {
     const adUnit = adUnits[i];
     if (adUnit?.code !== adUnitCode) continue;
 
-    const mediaTypes = adUnit?.mediaTypes;
+    const mediaTypes = adUnit.mediaTypes;
     if (!mediaTypes || typeof mediaTypes !== 'object') return;
 
     const firstKey = Object.keys(mediaTypes)[0];
@@ -14,4 +24,4 @@ export function getUnitPosition(pbjs, adUnitCode) {
 
     return typeof pos === 'number' ? pos : undefined;
   }
-}
+}
\ No newline at end of file
diff --git a/libraries/intentIqUtils/handleAdditionalParams.js b/libraries/intentIqUtils/handleAdditionalParams.ts
similarity index 100%
rename from libraries/intentIqUtils/handleAdditionalParams.js
rename to libraries/intentIqUtils/handleAdditionalParams.ts
diff --git a/libraries/intentIqUtils/intentIqConfig.js b/libraries/intentIqUtils/intentIqConfig.js
deleted file mode 100644
index 41c731f646b..00000000000
--- a/libraries/intentIqUtils/intentIqConfig.js
+++ /dev/null
@@ -1,33 +0,0 @@
-const REGION_MAPPING = {
-  gdpr: true,
-  apac: true,
-  emea: true
-};
-
-function checkRegion(region) {
-  if (typeof region !== 'string') return '';
-  const lower = region.toLowerCase();
-  return REGION_MAPPING[lower] ? lower : '';
-}
-
-function buildServerAddress(baseName, region) {
-  const checkedRegion = checkRegion(region);
-  if (checkedRegion) return `https://${baseName}-${checkedRegion}.intentiq.com`;
-  return `https://${baseName}.intentiq.com`;
-}
-
-export const getIiqServerAddress = (configParams = {}) => {
-  if (typeof configParams?.iiqServerAddress === 'string') return configParams.iiqServerAddress;
-  return buildServerAddress('api', configParams.region);
-};
-
-export const iiqPixelServerAddress = (configParams = {}) => {
-  if (typeof configParams?.iiqPixelServerAddress === 'string') return configParams.iiqPixelServerAddress;
-  return buildServerAddress('sync', configParams.region);
-};
-
-export const reportingServerAddress = (reportEndpoint, region) => {
-  if (reportEndpoint && typeof reportEndpoint === 'string') return reportEndpoint;
-  const host = buildServerAddress('reports', region);
-  return `${host}/report`;
-};
diff --git a/libraries/intentIqUtils/intentIqConfig.ts b/libraries/intentIqUtils/intentIqConfig.ts
new file mode 100644
index 00000000000..8b4c9ed04f4
--- /dev/null
+++ b/libraries/intentIqUtils/intentIqConfig.ts
@@ -0,0 +1,59 @@
+const REGION_MAPPING: Record<string, true> = {
+  gdpr: true,
+  apac: true,
+  emea: true
+};
+
+interface ServerConfig {
+  iiqServerAddress?: string;
+  iiqPixelServerAddress?: string;
+  region?: string;
+}
+
+function checkRegion(region?: string): string {
+  if (typeof region !== 'string') return '';
+  const lower = region.toLowerCase();
+  return REGION_MAPPING[lower] ? lower : '';
+}
+
+function buildServerAddress(baseName: string, region?: string): string {
+  const checkedRegion = checkRegion(region);
+
+  if (checkedRegion) {
+    return `https://${baseName}-${checkedRegion}.intentiq.com`;
+  }
+
+  return `https://${baseName}.intentiq.com`;
+}
+
+export const getIiqServerAddress = (
+  configParams: ServerConfig = {}
+): string => {
+  if (typeof configParams.iiqServerAddress === 'string') {
+    return configParams.iiqServerAddress;
+  }
+
+  return buildServerAddress('api', configParams.region);
+};
+
+export const iiqPixelServerAddress = (
+  configParams: ServerConfig = {}
+): string => {
+  if (typeof configParams.iiqPixelServerAddress === 'string') {
+    return configParams.iiqPixelServerAddress;
+  }
+
+  return buildServerAddress('sync', configParams.region);
+};
+
+export const reportingServerAddress = (
+  reportEndpoint?: string,
+  region?: string
+): string => {
+  if (typeof reportEndpoint === 'string') {
+    return reportEndpoint;
+  }
+
+  const host = buildServerAddress('reports', region);
+  return `${host}/report`;
+};
\ No newline at end of file
diff --git a/libraries/intentIqUtils/storageUtils.js b/libraries/intentIqUtils/storageUtils.ts
similarity index 70%
rename from libraries/intentIqUtils/storageUtils.js
rename to libraries/intentIqUtils/storageUtils.ts
index dd94ad895de..3d0a90baa39 100644
--- a/libraries/intentIqUtils/storageUtils.js
+++ b/libraries/intentIqUtils/storageUtils.ts
@@ -1,11 +1,23 @@
 import { logError, logInfo } from '../../src/utils.js';
-import { SUPPORTED_TYPES, FIRST_PARTY_KEY } from '../../libraries/intentIqConstants/intentIqConstants.js';
+import { SUPPORTED_TYPES, FIRST_PARTY_KEY } from '../intentIqConstants/intentIqConstants.js';
 import { getStorageManager } from '../../src/storageManager.js';
 import { MODULE_TYPE_UID } from '../../src/activities/modules.js';
 
 const MODULE_NAME = 'intentIqId';
 const PCID_EXPIRY = 365;
 
+export type AllowedStorageType = 'html5' | 'cookie';
+
+interface FirstPartyData {
+  isOptedOut?: boolean;
+  pcid?: string;
+  pcidDate?: number;
+  pid?: string;
+  abTestUuid?: string;
+  terminationCause?: number;
+  [key: string]: unknown;
+}
+
 export const storage = getStorageManager({ moduleType: MODULE_TYPE_UID, moduleName: MODULE_NAME });
 
 /**
@@ -13,7 +25,7 @@ export const storage = getStorageManager({ moduleType: MODULE_TYPE_UID, moduleNa
  * @param {string} key
  * @returns {boolean}
  */
-export function isPartnerDataKey(key) {
+export function isPartnerDataKey(key: string): boolean {
   if (typeof key !== 'string') return false;
   const parts = key.split('_fdata_');
   if (parts.length < 2) return false;
@@ -27,7 +39,10 @@ export function isPartnerDataKey(key) {
  * @param {Array} allowedStorage - Array of allowed storage types ('html5' or 'cookie').
  * @return {string|null} - The retrieved data or null if an error occurs.
  */
-export function readData(key, allowedStorage) {
+export function readData(
+  key: string,
+  allowedStorage: AllowedStorageType[]
+): string | null {
   try {
     if (storage.hasLocalStorage() && allowedStorage.includes('html5')) {
       return storage.getDataFromLocalStorage(key);
@@ -49,7 +64,12 @@ export function readData(key, allowedStorage) {
  * @param {Array} allowedStorage - An array of allowed storage types: 'html5' for Local Storage and/or 'cookie' for Cookies.
  * @param {Object} firstPartyData - Contains user consent data; when isOptedOut is true only a stripped subset is persisted to device.
  */
-export function storeData(key, value, allowedStorage, firstPartyData) {
+export function storeData(
+  key: string,
+  value: string,
+  allowedStorage: AllowedStorageType[],
+  firstPartyData?: FirstPartyData
+): void {
   try {
     if (firstPartyData?.isOptedOut) {
       // Limit what reaches device storage when the user is opted out.
@@ -57,7 +77,13 @@ export function storeData(key, value, allowedStorage, firstPartyData) {
       // - Partner data (_iiq_fdata_<partnerId>): persist only terminationCause.
       // - Anything else: do not persist.
       if (key === FIRST_PARTY_KEY) {
-        const parsed = typeof value === 'string' ? tryParse(value) : (value && typeof value === 'object' ? { ...value } : null);
+        const parsed =
+          typeof value === 'string'
+            ? tryParse<FirstPartyData>(value)
+            : (value && typeof value === 'object'
+                ? { ...(value as FirstPartyData) }
+                : null);
+
         if (parsed) {
           delete parsed.pcid;
           delete parsed.pcidDate;
@@ -66,19 +92,33 @@ export function storeData(key, value, allowedStorage, firstPartyData) {
           value = JSON.stringify(parsed);
         }
       } else if (isPartnerDataKey(key)) {
-        const parsed = typeof value === 'string' ? tryParse(value) : (value && typeof value === 'object' ? value : null);
-        value = JSON.stringify({ terminationCause: parsed ? parsed.terminationCause : undefined });
+        const parsed =
+          typeof value === 'string'
+            ? tryParse<FirstPartyData>(value)
+            : (value && typeof value === 'object'
+                ? (value as FirstPartyData)
+                : null);
+
+        value = JSON.stringify({
+          terminationCause: parsed ? parsed.terminationCause : undefined
+        });
       } else {
         return;
       }
     }
+
     logInfo(MODULE_NAME + ': storing data: key=' + key + ' value=' + value);
+
     if (value) {
       if (storage.hasLocalStorage() && allowedStorage.includes('html5')) {
         storage.setDataInLocalStorage(key, value);
       }
+
       if (storage.cookiesAreEnabled() && allowedStorage.includes('cookie')) {
-        const expiresStr = (new Date(Date.now() + (PCID_EXPIRY * (60 * 60 * 24 * 1000)))).toUTCString();
+        const expiresStr = new Date(
+          Date.now() + (PCID_EXPIRY * (60 * 60 * 24 * 1000))
+        ).toUTCString();
+
         storage.setCookie(key, value, expiresStr, 'LAX');
       }
     }
@@ -91,12 +131,15 @@ export function storeData(key, value, allowedStorage, firstPartyData) {
  * Remove Intent IQ data from cookie or local storage
  * @param key
  */
-
-export function removeDataByKey(key, allowedStorage) {
+export function removeDataByKey(
+  key: string,
+  allowedStorage: AllowedStorageType[]
+): void {
   try {
     if (storage.hasLocalStorage() && allowedStorage.includes('html5')) {
       storage.removeDataFromLocalStorage(key);
     }
+
     if (storage.cookiesAreEnabled() && allowedStorage.includes('cookie')) {
       const expiredDate = new Date(0).toUTCString();
       storage.setCookie(key, '', expiredDate, 'LAX');
@@ -113,9 +156,15 @@ export function removeDataByKey(key, allowedStorage) {
  * @param {Array<string>} params - An array containing storage type preferences, e.g., ['html5', 'cookie'].
  * @return {Array<string>} - Returns an array with allowed storage types. Defaults to ['html5'] if no valid options are provided.
  */
-export function defineStorageType(params) {
+export function defineStorageType(
+  params?: string[]
+): AllowedStorageType[] {
   if (!params || !Array.isArray(params)) return ['html5']; // use locale storage be default
-  const filteredArr = params.filter(item => SUPPORTED_TYPES.includes(item));
+
+  const filteredArr = params.filter(
+    (item): item is AllowedStorageType => SUPPORTED_TYPES.includes(item)
+  );
+
   return filteredArr.length ? filteredArr : ['html5'];
 }
 
@@ -123,11 +172,11 @@ export function defineStorageType(params) {
  * Parse json if possible, else return null
  * @param data
  */
-export function tryParse(data) {
+export function tryParse<T = unknown>(data: string): T | null {
   try {
-    return JSON.parse(data);
+    return JSON.parse(data) as T;
   } catch (err) {
     logError(err);
     return null;
   }
-}
+}
\ No newline at end of file
diff --git a/libraries/intentIqUtils/urlUtils.js b/libraries/intentIqUtils/urlUtils.js
deleted file mode 100644
index 78579aeb67d..00000000000
--- a/libraries/intentIqUtils/urlUtils.js
+++ /dev/null
@@ -1,7 +0,0 @@
-export function appendSPData (url, partnerData) {
-  const spdParam = partnerData?.spd ? encodeURIComponent(typeof partnerData.spd === 'object' ? JSON.stringify(partnerData.spd) : partnerData.spd) : '';
-  if (!spdParam) {
-    return url;
-  }
-  return `${url}&spd=${spdParam}`;
-};
diff --git a/libraries/intentIqUtils/urlUtils.ts b/libraries/intentIqUtils/urlUtils.ts
new file mode 100644
index 00000000000..b1a815597fc
--- /dev/null
+++ b/libraries/intentIqUtils/urlUtils.ts
@@ -0,0 +1,22 @@
+interface PartnerData {
+  spd?: string | Record<string, unknown>;
+}
+
+export function appendSPData(
+  url: string,
+  partnerData?: PartnerData
+): string {
+  const spdParam = partnerData?.spd
+    ? encodeURIComponent(
+        typeof partnerData.spd === 'object'
+          ? JSON.stringify(partnerData.spd)
+          : partnerData.spd
+      )
+    : '';
+
+  if (!spdParam) {
+    return url;
+  }
+
+  return `${url}&spd=${spdParam}`;
+}
\ No newline at end of file
diff --git a/modules/adtelligentIdSystem.js b/modules/adtelligentIdSystem.js
index b2921f5874e..aee0329e36f 100644
--- a/modules/adtelligentIdSystem.js
+++ b/modules/adtelligentIdSystem.js
@@ -9,13 +9,6 @@ import { qualifiedAjaxBuilder } from '../src/ajax.js';
 import { submodule } from '../src/hook.js';
 import { MODULE_TYPE_UID } from '../src/activities/modules.js';
 
-/**
- * @typedef {import('../modules/userId/index.js').Submodule} Submodule
- * @typedef {import('../modules/userId/index.js').SubmoduleConfig} SubmoduleConfig
- * @typedef {import('../modules/userId/index.js').ConsentData} ConsentData
- * @typedef {import('../modules/userId/index.js').IdResponse} IdResponse
- */
-
 const gvlid = 410;
 const moduleName = 'adtelligent';
 const syncUrl = 'https://idrs.adtelligent.com/get';
diff --git a/modules/intentIqAnalyticsAdapter.d.ts b/modules/intentIqAnalyticsAdapter.d.ts
deleted file mode 100644
index 0c2017ea6bc..00000000000
--- a/modules/intentIqAnalyticsAdapter.d.ts
+++ /dev/null
@@ -1,152 +0,0 @@
-import type { IntentIqABConfigSource } from './intentIqIdSystem';
-
-/**
- * Payload passed to `window.intentIqAnalyticsAdapter_<partnerId>.reportExternalWin()`.
- * Use this when Prebid is NOT the winning bidding platform (e.g. Amazon TAM, GAM).
- */
-export interface IiqExternalWinData {
-  /**
-   * Platform that rendered this impression.
-   * 1 = Prebid, 2 = Amazon, 3 = Google, 4 = Open RTB / local Prebid server.
-   */
-  biddingPlatformId: 1 | 2 | 3 | 4;
-
-  /**
-   * Unified auction identifier when running multiple auction solutions.
-   */
-  partnerAuctionId?: string;
-
-  /**
-   * Name of the bidder that won the auction as reported by the platform.
-   */
-  bidderCode: string;
-
-  /**
-   * Prebid auction ID. Leave undefined when Prebid is not the platform.
-   */
-  prebidAuctionId?: string;
-
-  /**
-   * CPM received from the demand-side auction, before any floor adjustments.
-   */
-  cpm: number;
-
-  /**
-   * ISO 4217 currency code for `cpm`, e.g. `'USD'`.
-   */
-  currency: string;
-
-  /**
-   * Pre-adjustment CPM. Leave undefined when Prebid is not the platform.
-   */
-  originalCpm?: number;
-
-  /**
-   * Currency of `originalCpm`. Leave undefined when Prebid is not the platform.
-   */
-  originalCurrency?: string;
-
-  /**
-   * Impression status. Leave undefined when Prebid is not the platform.
-   */
-  status?: string;
-
-  /**
-   * Unique identifier of the ad unit that showed this ad.
-   */
-  placementId?: string;
-
-  /**
-   * Type of ad served.
-   */
-  adType?: 'banner' | 'video' | 'native' | 'audio';
-}
-
-/**
- * Options passed to `pbjs.enableAnalytics({ provider: 'iiqAnalytics', options: { … } })`.
- */
-export interface IntentIqAnalyticsAdapterOptions {
-  /**
-   * Partner ID assigned by IntentIQ. Required.
-   */
-  partner: number;
-
-  /**
-   * Set to `true` to allow manual win reporting via
-   * `window.intentIqAnalyticsAdapter_<partnerId>.reportExternalWin()`.
-   * Defaults to `false`.
-   */
-  manualWinReportEnabled?: boolean;
-
-  /**
-   * Enable GAM predict-score reporting. Defaults to `false`.
-   */
-  gamPredictReporting?: boolean;
-
-  /**
-   * HTTP method used to send reports. Defaults to `'GET'`.
-   */
-  reportMethod?: 'GET' | 'POST';
-
-  /**
-   * Override for the IntentIQ reporting server base URL.
-   */
-  reportingServerAddress?: string;
-
-  /**
-   * Geo-region routing hint for the reporting server.
-   */
-  region?: string;
-
-  /**
-   * Controls how the `placementId` field in reports is populated:
-   * 1 = adUnitCode then placementId (default)
-   * 2 = placementId then adUnitCode
-   * 3 = adUnitCode only
-   * 4 = placementId only
-   */
-  adUnitConfig?: 1 | 2 | 3 | 4;
-
-  /**
-   * Determines how the A/B test group is assigned. Defaults to `'IIQServer'`.
-   */
-  ABTestingConfigurationSource?: IntentIqABConfigSource;
-
-  /**
-   * Explicit A/B group override. Only used when
-   * `ABTestingConfigurationSource` is `'group'`.
-   */
-  group?: 'A' | 'B';
-
-  /**
-   * Percentage of users placed in the WITH_IIQ cohort (0–100). Defaults to 95.
-   */
-  abPercentage?: number;
-
-  /**
-   * Comma-separated list of browser names (lowercase) excluded from reporting,
-   * e.g. `'chrome,safari'`.
-   */
-  browserBlackList?: string;
-
-  /**
-   * Publisher domain name appended to report URLs.
-   */
-  domainName?: string;
-
-  /**
-   * Freeform key-value pairs appended to every report URL.
-   */
-  additionalParams?: Record<string, string | number | boolean>;
-
-  /**
-   * When `true`, first-party data is stored under a partner-specific key.
-   */
-  siloEnabled?: boolean;
-
-  /**
-   * Reference to the GAM `googletag.pubads()` object for predict-score
-   * reporting.
-   */
-  gamObjectReference?: Record<string, unknown>;
-}
diff --git a/modules/intentIqAnalyticsAdapter.js b/modules/intentIqAnalyticsAdapter.ts
similarity index 73%
rename from modules/intentIqAnalyticsAdapter.js
rename to modules/intentIqAnalyticsAdapter.ts
index 49875d61ab4..024e60b05ee 100644
--- a/modules/intentIqAnalyticsAdapter.js
+++ b/modules/intentIqAnalyticsAdapter.ts
@@ -18,20 +18,172 @@ import { handleAdditionalParams } from '../libraries/intentIqUtils/handleAdditio
 import { gamPredictionReport } from '../libraries/intentIqUtils/gamPredictionReport.js';
 import { defineABTestingGroup } from '../libraries/intentIqUtils/defineABTestingGroupUtils.js';
 import { getGlobal } from '../src/prebidGlobal.js';
+import { IntentIqABConfigSource } from './intentIqIdSystem.js';
+
+/**
+ * Payload passed to `window.intentIqAnalyticsAdapter_<partnerId>.reportExternalWin()`.
+ * Use this when Prebid is NOT the winning bidding platform (e.g. Amazon TAM, GAM).
+ */
+export interface IiqExternalWinData {
+  /**
+   * Platform that rendered this impression.
+   * 1 = Prebid, 2 = Amazon, 3 = Google, 4 = Open RTB / local Prebid server.
+   */
+  biddingPlatformId: 1 | 2 | 3 | 4;
+
+  /**
+   * Unified auction identifier when running multiple auction solutions.
+   */
+  partnerAuctionId?: string;
+
+  /**
+   * Name of the bidder that won the auction as reported by the platform.
+   */
+  bidderCode: string;
+
+  /**
+   * Prebid auction ID. Leave undefined when Prebid is not the platform.
+   */
+  prebidAuctionId?: string;
+
+  /**
+   * CPM received from the demand-side auction, before any floor adjustments.
+   */
+  cpm: number;
+
+  /**
+   * ISO 4217 currency code for `cpm`, e.g. `'USD'`.
+   */
+  currency: string;
+
+  /**
+   * Pre-adjustment CPM. Leave undefined when Prebid is not the platform.
+   */
+  originalCpm?: number;
+
+  /**
+   * Currency of `originalCpm`. Leave undefined when Prebid is not the platform.
+   */
+  originalCurrency?: string;
+
+  /**
+   * Impression status. Leave undefined when Prebid is not the platform.
+   */
+  status?: string;
+
+  /**
+   * Unique identifier of the ad unit that showed this ad.
+   */
+  placementId?: string;
+
+  /**
+   * Type of ad served.
+   */
+  adType?: 'banner' | 'video' | 'native' | 'audio';
+}
+
+/**
+ * Options passed to `pbjs.enableAnalytics({ provider: 'iiqAnalytics', options: { … } })`.
+ */
+export interface IntentIqAnalyticsAdapterOptions {
+  /**
+   * Partner ID assigned by IntentIQ. Required.
+   */
+  partner: number;
+
+  /**
+   * Set to `true` to allow manual win reporting via
+   * `window.intentIqAnalyticsAdapter_<partnerId>.reportExternalWin()`.
+   * Defaults to `false`.
+   */
+  manualWinReportEnabled?: boolean;
+
+  /**
+   * Enable GAM predict-score reporting. Defaults to `false`.
+   */
+  gamPredictReporting?: boolean;
+
+  /**
+   * HTTP method used to send reports. Defaults to `'GET'`.
+   */
+  reportMethod?: 'GET' | 'POST';
+
+  /**
+   * Override for the IntentIQ reporting server base URL.
+   */
+  reportingServerAddress?: string;
+
+  /**
+   * Geo-region routing hint for the reporting server.
+   */
+  region?: string;
+
+  /**
+   * Controls how the `placementId` field in reports is populated:
+   * 1 = adUnitCode then placementId (default)
+   * 2 = placementId then adUnitCode
+   * 3 = adUnitCode only
+   * 4 = placementId only
+   */
+  adUnitConfig?: 1 | 2 | 3 | 4;
+
+  /**
+   * Determines how the A/B test group is assigned. Defaults to `'IIQServer'`.
+   */
+  ABTestingConfigurationSource?: IntentIqABConfigSource;
+
+  /**
+   * Explicit A/B group override. Only used when
+   * `ABTestingConfigurationSource` is `'group'`.
+   */
+  group?: 'A' | 'B';
+
+  /**
+   * Percentage of users placed in the WITH_IIQ cohort (0–100). Defaults to 95.
+   */
+  abPercentage?: number;
+
+  /**
+   * Comma-separated list of browser names (lowercase) excluded from reporting,
+   * e.g. `'chrome,safari'`.
+   */
+  browserBlackList?: string;
+
+  /**
+   * Publisher domain name appended to report URLs.
+   */
+  domainName?: string;
+
+  /**
+   * Freeform key-value pairs appended to every report URL.
+   */
+  additionalParams?: Record<string, string | number | boolean>;
+
+  /**
+   * When `true`, first-party data is stored under a partner-specific key.
+   */
+  siloEnabled?: boolean;
+
+  /**
+   * Reference to the GAM `googletag.pubads()` object for predict-score
+   * reporting.
+   */
+  gamObjectReference?: Record<string, unknown>;
+}
 
-const MODULE_NAME = 'iiqAnalytics';
-const analyticsType = 'endpoint';
+const MODULE_NAME = 'iiqAnalytics' as const;
+const analyticsType = 'endpoint' as const;
 const prebidVersion = '$prebid.version$';
-const pbjs = getGlobal();
+const pbjs: any = getGlobal();
 export const REPORTER_ID = Date.now() + '_' + getRandom(0, 1000);
-let globalName;
-let identityGlobalName;
+let globalName: string | undefined;
+let identityGlobalName: string | undefined;
 let alreadySubscribedOnGAM = false;
-let reportList = {};
-let cleanReportsID;
-let iiqConfig;
+let reportList: Record<string, Record<string, number>> = {};
+let cleanReportsID: ReturnType<typeof setTimeout> | undefined;
+let iiqConfig: any;
 
-const PARAMS_NAMES = {
+const PARAMS_NAMES: Record<string, string> = {
   abTestGroup: 'abGroup',
   pbPauseUntil: 'pbPauseUntil',
   pbMonitoringEnabled: 'pbMonitoringEnabled',
@@ -100,9 +252,9 @@ const getDefaultInitOptions = () => {
   };
 };
 
-const iiqAnalyticsAnalyticsAdapter = Object.assign(adapter({ url: DEFAULT_URL, analyticsType }), {
+const iiqAnalyticsAnalyticsAdapter: any = Object.assign(adapter({ url: DEFAULT_URL, analyticsType }), {
   initOptions: getDefaultInitOptions(),
-  track({ eventType, args }) {
+  track({ eventType, args }: { eventType: string; args: any }) {
     switch (eventType) {
       case BID_WON:
         bidWon(args);
@@ -112,10 +264,10 @@ const iiqAnalyticsAnalyticsAdapter = Object.assign(adapter({ url: DEFAULT_URL, a
           alreadySubscribedOnGAM = true;
           gamPredictionReport(iiqConfig?.gamObjectReference, bidWon);
         }
-        const fpdFromGlobalObject = window[identityGlobalName]?.firstPartyData;
+        const fpdFromGlobalObject = (window as any)[identityGlobalName as string]?.firstPartyData;
         if (fpdFromGlobalObject) {
           const currentCmpData = getCmpData();
-          const hasCmpMismatch = ['gdprString', 'gppString', 'uspString'].some(field =>
+          const hasCmpMismatch = ['gdprString', 'gppString', 'uspString'].some((field: string) =>
             !areCmpValuesEqual(fpdFromGlobalObject[field], currentCmpData[field])
           );
           if (hasCmpMismatch) {
@@ -133,7 +285,7 @@ const iiqAnalyticsAnalyticsAdapter = Object.assign(adapter({ url: DEFAULT_URL, a
 // Events needed
 const { BID_WON, BID_REQUESTED } = EVENTS;
 
-function initAdapterConfig(config) {
+function initAdapterConfig(config: any): void {
   if (iiqAnalyticsAnalyticsAdapter.initOptions.adapterConfigInitialized) return;
 
   const options = config?.options || {};
@@ -163,15 +315,15 @@ function initAdapterConfig(config) {
   iiqAnalyticsAnalyticsAdapter.initOptions.adapterConfigInitialized = true;
 }
 
-function receivePartnerData() {
+function receivePartnerData(): boolean | void {
   try {
     iiqAnalyticsAnalyticsAdapter.initOptions.dataInLs = null;
-    const FPD = window[identityGlobalName]?.firstPartyData;
-    if (!window[identityGlobalName] || !FPD) {
+    const FPD = (window as any)[identityGlobalName as string]?.firstPartyData;
+    if (!(window as any)[identityGlobalName as string] || !FPD) {
       return false;
     }
     iiqAnalyticsAnalyticsAdapter.initOptions.fpid = FPD;
-    const { partnerData, clientHints = '', actualABGroup } = window[identityGlobalName];
+    const { partnerData, clientHints = '', actualABGroup } = (window as any)[identityGlobalName as string];
 
     if (partnerData) {
       iiqAnalyticsAnalyticsAdapter.initOptions.dataIdsInitialized = true;
@@ -190,7 +342,7 @@ function receivePartnerData() {
     }
     iiqAnalyticsAnalyticsAdapter.initOptions.clientHints = clientHints;
 
-    const { abPercentage, userProvidedAbPercentage } = window[identityGlobalName];
+    const { abPercentage, userProvidedAbPercentage } = (window as any)[identityGlobalName as string];
     if (abPercentage !== undefined) {
       iiqAnalyticsAnalyticsAdapter.initOptions.abPercentage = abPercentage;
     }
@@ -201,9 +353,9 @@ function receivePartnerData() {
   }
 }
 
-function shouldSubscribeOnGAM() {
+function shouldSubscribeOnGAM(): boolean {
   if (!iiqConfig?.gamObjectReference || !isPlainObject(iiqConfig.gamObjectReference)) return false;
-  const partnerData = window[identityGlobalName]?.partnerData;
+  const partnerData = (window as any)[identityGlobalName as string]?.partnerData;
 
   if (partnerData) {
     return partnerData.gpr || (!('gpr' in partnerData) && iiqAnalyticsAnalyticsAdapter.initOptions.gamPredictReporting);
@@ -211,7 +363,7 @@ function shouldSubscribeOnGAM() {
   return false;
 }
 
-function shouldSendReport(isReportExternal) {
+function shouldSendReport(isReportExternal?: boolean): boolean {
   return (
     (isReportExternal &&
             iiqAnalyticsAnalyticsAdapter.initOptions.manualWinReportEnabled &&
@@ -224,7 +376,7 @@ export function restoreReportList() {
   reportList = {};
 }
 
-function bidWon(args, isReportExternal) {
+function bidWon(args: any, isReportExternal?: boolean): boolean | void {
   if (
     isNaN(iiqAnalyticsAnalyticsAdapter.initOptions.partner)
   ) {
@@ -258,7 +410,7 @@ function bidWon(args, isReportExternal) {
   return false;
 }
 
-function parseReportingMethod(reportMethod) {
+function parseReportingMethod(reportMethod: unknown): 'GET' | 'POST' {
   if (typeof reportMethod === 'string') {
     switch (reportMethod.toUpperCase()) {
       case 'GET':
@@ -272,8 +424,8 @@ function parseReportingMethod(reportMethod) {
   return 'GET';
 }
 
-function defineGlobalVariableName() {
-  function reportExternalWin(args) {
+function defineGlobalVariableName(): void {
+  function reportExternalWin(args: any): boolean | void {
     return bidWon(args, true);
   }
 
@@ -281,14 +433,14 @@ function defineGlobalVariableName() {
   globalName = `intentIqAnalyticsAdapter_${partnerId}`;
   identityGlobalName = `iiq_identity_${partnerId}`;
 
-  window[globalName] = { reportExternalWin };
+  (window as any)[globalName as string] = { reportExternalWin };
 }
 
-function getRandom(start, end) {
+function getRandom(start: number, end: number): number {
   return Math.floor(Math.random() * (end - start + 1) + start);
 }
 
-export function preparePayload(data) {
+export function preparePayload(data: any): Record<string, any> | void {
   const result = getDefaultDataObject();
   const fullUrl = getCurrentUrl();
   result[PARAMS_NAMES.partnerId] = iiqAnalyticsAnalyticsAdapter.initOptions.partner;
@@ -345,7 +497,7 @@ export function preparePayload(data) {
   return result;
 }
 
-function fillEidsData(result) {
+function fillEidsData(result: Record<string, any>): void {
   if (iiqAnalyticsAnalyticsAdapter.initOptions.dataIdsInitialized) {
     result[PARAMS_NAMES.hadEidsInLocalStorage] =
             iiqAnalyticsAnalyticsAdapter.initOptions.eidl && iiqAnalyticsAnalyticsAdapter.initOptions.eidl > 0;
@@ -353,7 +505,7 @@ function fillEidsData(result) {
   }
 }
 
-function prepareData(data, result) {
+function prepareData(data: any, result: Record<string, any>): void {
   const adTypeValue = data.adType || data.mediaType;
 
   if (data.bidderCode) result.bidderCode = data.bidderCode;
@@ -410,7 +562,7 @@ function prepareData(data, result) {
   if (data?.partnerAuctionId) result.partnerAuctionId = data.partnerAuctionId;
 }
 
-function extractPlacementId(data) {
+function extractPlacementId(data: any): string | null {
   if (data.placementId) {
     return data.placementId;
   }
@@ -424,7 +576,7 @@ function extractPlacementId(data) {
   return null;
 }
 
-function getDefaultDataObject() {
+function getDefaultDataObject(): Record<string, any> {
   return {
     inbbl: false,
     pbjsver: prebidVersion,
@@ -438,17 +590,18 @@ function getDefaultDataObject() {
   };
 }
 
-function constructFullUrl(data) {
-  const report = [];
+function constructFullUrl(data: Record<string, any>): any {
+  const report: string[] = [];
   const reportMethod = iiqAnalyticsAnalyticsAdapter.initOptions.reportMethod;
-  const partnerData = window[identityGlobalName]?.partnerData;
+  const partnerData = (window as any)[identityGlobalName as string]?.partnerData;
   const currentBrowserLowerCase = detectBrowser();
   const partnerAuctionId = data?.partnerAuctionId;
-  data = btoa(JSON.stringify(data));
-  report.push(data);
+  const encodedData = btoa(JSON.stringify(data));
+  report.push(encodedData);
 
   const cmpData = getCmpData();
-  const baseUrl = reportingServerAddress(...getDataForDefineURL());
+  const [reportEndpoint, region] = getDataForDefineURL();
+  const baseUrl = reportingServerAddress(reportEndpoint, region);
 
   let url =
         baseUrl +
@@ -471,12 +624,12 @@ function constructFullUrl(data) {
         PREBID +
         '&uh=' +
         encodeURIComponent(iiqAnalyticsAnalyticsAdapter.initOptions.clientHints) +
-        (isValidValue(cmpData.uspString) ? '&us_privacy=' + encodeURIComponent(cmpData.uspString) : '') +
-        (isValidValue(cmpData.gppString) ? '&gpp=' + encodeURIComponent(cmpData.gppString) : '') +
+        (isValidValue(cmpData.uspString) ? '&us_privacy=' + encodeURIComponent(cmpData.uspString as string) : '') +
+        (isValidValue(cmpData.gppString) ? '&gpp=' + encodeURIComponent(cmpData.gppString as string) : '') +
         (isValidValue(cmpData.gdprString)
-          ? '&gdpr_consent=' + encodeURIComponent(cmpData.gdprString) + '&gdpr=1'
+          ? '&gdpr_consent=' + encodeURIComponent(cmpData.gdprString as string) + '&gdpr=1'
           : '&gdpr=0') +
-        (cmpData.gdprApplies && isValidValue(cmpData.tcfApiVersion) ? '&tcfv=' + encodeURIComponent(cmpData.tcfApiVersion) : '');
+        (cmpData.gdprApplies && isValidValue(cmpData.tcfApiVersion) ? '&tcfv=' + encodeURIComponent(cmpData.tcfApiVersion as string) : '');
 
   url = appendSPData(url, partnerData);
   url = appendVrrefAndFui(url, iiqAnalyticsAnalyticsAdapter.initOptions.domainName);
@@ -500,13 +653,13 @@ function constructFullUrl(data) {
 
 iiqAnalyticsAnalyticsAdapter.originEnableAnalytics = iiqAnalyticsAnalyticsAdapter.enableAnalytics;
 
-iiqAnalyticsAnalyticsAdapter.enableAnalytics = function (myConfig) {
+iiqAnalyticsAnalyticsAdapter.enableAnalytics = function (myConfig: any): void {
   iiqAnalyticsAnalyticsAdapter.originEnableAnalytics(myConfig); // call the base class function
   initAdapterConfig(myConfig);
 };
 
 iiqAnalyticsAnalyticsAdapter.originDisableAnalytics = iiqAnalyticsAnalyticsAdapter.disableAnalytics;
-iiqAnalyticsAnalyticsAdapter.disableAnalytics = function() {
+iiqAnalyticsAnalyticsAdapter.disableAnalytics = function(): void {
   globalName = undefined;
   identityGlobalName = undefined;
   alreadySubscribedOnGAM = false;
diff --git a/modules/intentIqIdSystem.d.ts b/modules/intentIqIdSystem.d.ts
deleted file mode 100644
index 4b059f8bca2..00000000000
--- a/modules/intentIqIdSystem.d.ts
+++ /dev/null
@@ -1,135 +0,0 @@
-export type IntentIqIdSystemModuleName = 'intentIqId';
-
-/**
- * A/B testing configuration source — controls how the test group is assigned.
- * - `'percentage'`  — random assignment based on `abPercentage`
- * - `'group'`       — fixed group supplied via the `group` param
- * - `'IIQServer'`   — server-driven assignment (default)
- * - `'disabled'`    — A/B testing disabled; always use IIQ
- */
-export type IntentIqABConfigSource = 'percentage' | 'group' | 'IIQServer' | 'disabled';
-
-export interface IntentIqIdSystemParams {
-  /**
-   * Partner ID assigned by IntentIQ. Required.
-   */
-  partner: number;
-
-  /**
-   * Invoked when the identity lookup completes or times out.
-   * Receives the resolved EID payload or an empty string when the browser is
-   * blacklisted or the user is opted out.
-   */
-  callback?: (data: { eids: unknown[] } | string) => void;
-
-  /**
-   * Milliseconds to wait for the server response before firing `callback`
-   * with whatever data is currently available. Defaults to 500 ms.
-   */
-  timeoutInMillis?: number;
-
-  /**
-   * Comma-separated list of browser names (lowercase) that should be
-   * excluded from identity resolution, e.g. `'chrome,safari'`.
-   */
-  browserBlackList?: string;
-
-  /**
-   * Publisher domain name, used to build the referrer URL parameter.
-   */
-  domainName?: string;
-
-  /**
-   * When `true`, first-party data is stored under a partner-specific key so
-   * multiple IntentIQ configurations on the same page do not collide.
-   */
-  siloEnabled?: boolean;
-
-  /**
-   * Called whenever the resolved A/B group changes.
-   * Receives the new group (`'A'` | `'B'`) and the server termination-cause
-   * code when available.
-   */
-  groupChanged?: (group: 'A' | 'B', terminationCause?: number) => void;
-
-  /**
-   * Reference to the GAM `googletag.pubads()` object for automatic targeting
-   * key injection.
-   */
-  gamObjectReference?: Record<string, unknown>;
-
-  /**
-   * GAM targeting key used to pass the A/B group. Defaults to
-   * `'intent_iq_group'`.
-   */
-  gamParameterName?: string;
-
-  /**
-   * Percentage of users placed in the WITH_IIQ (group A) cohort.
-   * Accepts 0–100; values outside that range are clamped. Defaults to 95.
-   * Only used when `ABTestingConfigurationSource` is `'percentage'` or
-   * `'IIQServer'` (no prior server termination cause).
-   */
-  abPercentage?: number;
-
-  /**
-   * Determines how the A/B test group is assigned. Defaults to `'IIQServer'`.
-   */
-  ABTestingConfigurationSource?: IntentIqABConfigSource;
-
-  /**
-   * Explicit A/B group override. Only used when
-   * `ABTestingConfigurationSource` is `'group'`.
-   */
-  group?: 'A' | 'B';
-
-  /**
-   * Human-readable metadata tag describing the integration source
-   * (e.g. `'prebid'`, `'amp'`). Translated to a numeric code internally.
-   */
-  sourceMetaData?: string;
-
-  /**
-   * Numeric metadata code for the integration source when a specific
-   * override is required.
-   */
-  sourceMetaDataExternal?: number;
-
-  /**
-   * Freeform key-value pairs appended to every pixel request.
-   */
-  additionalParams?: Record<string, string | number | boolean>;
-
-  /**
-   * Timeout in milliseconds for fetching Client Hints before falling back
-   * to an empty string. Defaults to 10 ms.
-   */
-  chTimeout?: number;
-
-  /**
-   * Partner-supplied first-party client identifier.
-   */
-  partnerClientId?: string;
-
-  /**
-   * Type code for `partnerClientId`. Must be a positive integer recognised
-   * by the IntentIQ server.
-   */
-  partnerClientIdType?: number;
-}
-
-declare module './userId/spec' {
-  interface UserId {
-    intentIqId: string;
-  }
-
-  interface ProvidersToId {
-    intentIqId: 'intentIqId';
-  }
-
-  interface ProviderParams {
-    intentIqId: IntentIqIdSystemParams;
-  }
-}
-
-export {};
diff --git a/modules/intentIqIdSystem.js b/modules/intentIqIdSystem.ts
similarity index 72%
rename from modules/intentIqIdSystem.js
rename to modules/intentIqIdSystem.ts
index 7fa11b72656..0a5d1b3cb7f 100644
--- a/modules/intentIqIdSystem.js
+++ b/modules/intentIqIdSystem.ts
@@ -8,41 +8,178 @@
 import { isNumber, isPlainObject, isStr, logError } from '../src/utils.js';
 import { ajax } from '../src/ajax.js';
 import { submodule } from '../src/hook.js';
-import { detectBrowser } from '../libraries/intentIqUtils/detectBrowserUtils.js';
-import { appendSPData } from '../libraries/intentIqUtils/urlUtils.js';
-import { isCHSupported } from '../libraries/intentIqUtils/chUtils.js';
-import { appendVrrefAndFui } from '../libraries/intentIqUtils/getRefferer.js';
-import { getCmpData, areCmpValuesEqual, isValidValue } from '../libraries/intentIqUtils/getCmpData.js';
+import { detectBrowser } from '../libraries/intentIqUtils/detectBrowserUtils.ts';
+import { appendSPData } from '../libraries/intentIqUtils/urlUtils.ts';
+import { isCHSupported } from '../libraries/intentIqUtils/chUtils.ts';
+import { appendVrrefAndFui } from '../libraries/intentIqUtils/getRefferer.ts';
+import { getCmpData, areCmpValuesEqual, isValidValue } from '../libraries/intentIqUtils/getCmpData.ts';
 import {
+  AllowedStorageType,
   defineStorageType,
   readData,
   removeDataByKey,
   storeData,
   tryParse
-} from '../libraries/intentIqUtils/storageUtils.js';
+} from '../libraries/intentIqUtils/storageUtils.ts';
 import {
   CLIENT_HINTS_KEY,
   FIRST_PARTY_KEY,
   GVLID,
   VERSION, INVALID_ID, SYNC_REFRESH_MILL, META_DATA_CONSTANT, PREBID,
   HOURS_72, CH_KEYS, DEFAULT_PERCENTAGE, WITH_IIQ
-} from '../libraries/intentIqConstants/intentIqConstants.js';
-import { SYNC_KEY } from '../libraries/intentIqUtils/getSyncKey.js';
-import { getIiqServerAddress, iiqPixelServerAddress } from '../libraries/intentIqUtils/intentIqConfig.js';
-import { handleAdditionalParams } from '../libraries/intentIqUtils/handleAdditionalParams.js';
-import { decryptData, encryptData } from '../libraries/intentIqUtils/cryptionUtils.js';
-import { defineABTestingGroup } from '../libraries/intentIqUtils/defineABTestingGroupUtils.js';
+} from '../libraries/intentIqConstants/intentIqConstants.ts';
+import { SYNC_KEY } from '../libraries/intentIqUtils/getSyncKey.ts';
+import { getIiqServerAddress, iiqPixelServerAddress } from '../libraries/intentIqUtils/intentIqConfig.ts';
+import { handleAdditionalParams } from '../libraries/intentIqUtils/handleAdditionalParams.ts';
+import { decryptData, encryptData } from '../libraries/intentIqUtils/cryptionUtils.ts';
+import { defineABTestingGroup } from '../libraries/intentIqUtils/defineABTestingGroupUtils.ts';
 import { setKeyValueOn } from '../libraries/gptUtils/gptUtils.js';
 
+import type { IdProviderSpec } from './userId/spec';
+
+
+export type IntentIqIdSystemModuleName = 'intentIqId';
+
 /**
- * @typedef {import('../modules/userId/index.js').Submodule} Submodule
- * @typedef {import('../modules/userId/index.js').SubmoduleConfig} SubmoduleConfig
- * @typedef {import('../modules/userId/index.js').IdResponse} IdResponse
+ * A/B testing configuration source — controls how the test group is assigned.
+ * - `'percentage'`  — random assignment based on `abPercentage`
+ * - `'group'`       — fixed group supplied via the `group` param
+ * - `'IIQServer'`   — server-driven assignment (default)
+ * - `'disabled'`    — A/B testing disabled; always use IIQ
  */
+export type IntentIqABConfigSource = 'percentage' | 'group' | 'IIQServer' | 'disabled';
+
+export interface IntentIqIdSystemParams {
+  /**
+   * Partner ID assigned by IntentIQ. Required.
+   */
+  partner: number;
+
+  /**
+   * Invoked when the identity lookup completes or times out.
+   * Receives the resolved EID payload or an empty string when the browser is
+   * blacklisted or the user is opted out.
+   */
+  callback?: (data: { eids: unknown[] } | string) => void;
+
+  /**
+   * Milliseconds to wait for the server response before firing `callback`
+   * with whatever data is currently available. Defaults to 500 ms.
+   */
+  timeoutInMillis?: number;
+
+  /**
+   * Comma-separated list of browser names (lowercase) that should be
+   * excluded from identity resolution, e.g. `'chrome,safari'`.
+   */
+  browserBlackList?: string;
+
+  /**
+   * Publisher domain name, used to build the referrer URL parameter.
+   */
+  domainName?: string;
+
+  /**
+   * When `true`, first-party data is stored under a partner-specific key so
+   * multiple IntentIQ configurations on the same page do not collide.
+   */
+  siloEnabled?: boolean;
+
+  /**
+   * Called whenever the resolved A/B group changes.
+   * Receives the new group (`'A'` | `'B'`) and the server termination-cause
+   * code when available.
+   */
+  groupChanged?: (group: 'A' | 'B', terminationCause?: number) => void;
+
+  /**
+   * Reference to the GAM `googletag.pubads()` object for automatic targeting
+   * key injection.
+   */
+  gamObjectReference?: Record<string, unknown>;
+
+  /**
+   * GAM targeting key used to pass the A/B group. Defaults to
+   * `'intent_iq_group'`.
+   */
+  gamParameterName?: string;
+
+  /**
+   * Percentage of users placed in the WITH_IIQ (group A) cohort.
+   * Accepts 0–100; values outside that range are clamped. Defaults to 95.
+   * Only used when `ABTestingConfigurationSource` is `'percentage'` or
+   * `'IIQServer'` (no prior server termination cause).
+   */
+  abPercentage?: number;
+
+  /**
+   * Determines how the A/B test group is assigned. Defaults to `'IIQServer'`.
+   */
+  ABTestingConfigurationSource?: IntentIqABConfigSource;
+
+  /**
+   * Explicit A/B group override. Only used when
+   * `ABTestingConfigurationSource` is `'group'`.
+   */
+  group?: 'A' | 'B';
+
+  /**
+   * Human-readable metadata tag describing the integration source
+   * (e.g. `'prebid'`, `'amp'`). Translated to a numeric code internally.
+   */
+  sourceMetaData?: string;
+
+  /**
+   * Numeric metadata code for the integration source when a specific
+   * override is required.
+   */
+  sourceMetaDataExternal?: number;
+
+  /**
+   * Freeform key-value pairs appended to every pixel request.
+   */
+  additionalParams?: Record<string, string | number | boolean>;
+
+  /**
+   * Timeout in milliseconds for fetching Client Hints before falling back
+   * to an empty string. Defaults to 10 ms.
+   */
+  chTimeout?: number;
+
+  /**
+   * Partner-supplied first-party client identifier.
+   */
+  partnerClientId?: string;
+
+  /**
+   * Type code for `partnerClientId`. Must be a positive integer recognised
+   * by the IntentIQ server.
+   */
+  partnerClientIdType?: number;
+
+  /**
+   * Partner-supplied Advertiser ID
+   */
+  pai?: string;
+}
+
+declare module './userId/spec' {
+  interface UserId {
+    intentIqId: string;
+  }
+
+  interface ProvidersToId {
+    intentIqId: 'intentIqId';
+  }
+
+  interface ProviderParams {
+    intentIqId: IntentIqIdSystemParams;
+  }
+}
 
-const MODULE_NAME = 'intentIqId';
+const MODULE_NAME = 'intentIqId' as const;
 
-const encoderCH = {
+const encoderCH: Record<string, number> = {
   brands: 0,
   mobile: 1,
   platform: 2,
@@ -53,22 +190,22 @@ const encoderCH = {
   wow64: 7,
   fullVersionList: 8
 };
-let sourceMetaData;
-let sourceMetaDataExternal;
+let sourceMetaData: number | string | undefined;
+let sourceMetaDataExternal: number | undefined;
 let globalName = '';
 
 let FIRST_PARTY_KEY_FINAL = FIRST_PARTY_KEY;
-let PARTNER_DATA_KEY;
+let PARTNER_DATA_KEY: string = '';
 let callCount = 0;
 let failCount = 0;
 let noDataCount = 0;
 
-export let firstPartyData;
-let partnerData;
-let clientHints;
-let actualABGroup;
+export let firstPartyData: any;
+let partnerData: any;
+let clientHints: string | null | undefined;
+let actualABGroup: IntentIqIdSystemParams['group'] | undefined;
 
-function getEffectiveAbPercentage(abPercentage) {
+function getEffectiveAbPercentage(abPercentage: unknown): number {
   const n = Number(abPercentage);
   if (!Number.isFinite(n)) return DEFAULT_PERCENTAGE;
   return Math.max(0, Math.min(100, n));
@@ -78,9 +215,9 @@ function getEffectiveAbPercentage(abPercentage) {
  * Generate standard UUID string
  * @return {string}
  */
-function generateGUID() {
+function generateGUID(): string {
   let d = new Date().getTime();
-  const guid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
+  const guid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c: string) {
     const r = (d + Math.random() * 16) % 16 | 0;
     d = Math.floor(d / 16);
     return (c === 'x' ? r : (r & 0x3 | 0x8)).toString(16);
@@ -88,24 +225,24 @@ function generateGUID() {
   return guid;
 }
 
-function addUniquenessToUrl(url) {
+function addUniquenessToUrl(url: string): string {
   url += '&tsrnd=' + Math.floor(Math.random() * 1000) + '_' + new Date().getTime();
   return url;
 }
 
-function appendFirstPartyData(url, firstPartyData, partnerData) {
+function appendFirstPartyData(url: string, firstPartyData: any, partnerData: any): string {
   url += firstPartyData.pid ? '&pid=' + encodeURIComponent(firstPartyData.pid) : '';
   url += firstPartyData.pcid ? '&iiqidtype=2&iiqpcid=' + encodeURIComponent(firstPartyData.pcid) : '';
   url += firstPartyData.pcidDate ? '&iiqpciddate=' + encodeURIComponent(firstPartyData.pcidDate) : '';
   return url;
 }
 
-function verifyIdType(value) {
+function verifyIdType(value: number): number {
   if (value === 0 || value === 1 || value === 3 || value === 4) return value;
   return -1;
 }
 
-function appendPartnersFirstParty(url, configParams) {
+function appendPartnersFirstParty(url: string, configParams: any): string {
   const partnerClientId = typeof configParams.partnerClientId === 'string' ? encodeURIComponent(configParams.partnerClientId) : '';
   const partnerClientIdType = typeof configParams.partnerClientIdType === 'number' ? verifyIdType(configParams.partnerClientIdType) : -1;
 
@@ -117,7 +254,7 @@ function appendPartnersFirstParty(url, configParams) {
   return url;
 }
 
-function appendCMPData(url, cmpData) {
+function appendCMPData(url: string, cmpData: any): string {
   url += isValidValue(cmpData.uspString) ? '&us_privacy=' + encodeURIComponent(cmpData.uspString) : '';
   url += isValidValue(cmpData.gppString) ? '&gpp=' + encodeURIComponent(cmpData.gppString) : '';
   if (cmpData.gdprApplies) {
@@ -130,7 +267,7 @@ function appendCMPData(url, cmpData) {
   return url;
 }
 
-function appendCounters(url) {
+function appendCounters(url: string): string {
   url += '&jaesc=' + encodeURIComponent(callCount);
   url += '&jafc=' + encodeURIComponent(failCount);
   url += '&jaensc=' + encodeURIComponent(noDataCount);
@@ -140,7 +277,7 @@ function appendCounters(url) {
 /**
  * Translate and validate sourceMetaData
  */
-export function translateMetadata(data) {
+export function translateMetadata(data: string): number {
   try {
     const d = data.split('.');
     return (
@@ -155,23 +292,23 @@ export function translateMetadata(data) {
 /**
  * Add sourceMetaData to URL if valid
  */
-function addMetaData(url, data) {
+function addMetaData(url: string, data: unknown): string {
   if (typeof data !== 'number' || isNaN(data)) {
     return url;
   }
   return url + '&fbp=' + data;
 }
 
-export function initializeGlobalIIQ(partnerId) {
-  if (!globalName || !window[globalName]) {
+export function initializeGlobalIIQ(partnerId: number): boolean {
+  if (!globalName || !(window as any)[globalName]) {
     globalName = `iiq_identity_${partnerId}`;
-    window[globalName] = {};
+    (window as any)[globalName] = {};
     return true;
   }
   return false;
 }
 
-export function createPixelUrl(firstPartyData, clientHints, configParams, partnerData, cmpData) {
+export function createPixelUrl(firstPartyData: any, clientHints: string, configParams: any, partnerData: any, cmpData: any): string {
   const browser = detectBrowser();
 
   let url = iiqPixelServerAddress(configParams);
@@ -197,8 +334,8 @@ export function createPixelUrl(firstPartyData, clientHints, configParams, partne
   return url;
 }
 
-function sendSyncRequest(allowedStorage, url, partner, firstPartyData, newUser) {
-  const lastSyncDate = Number(readData(SYNC_KEY(partner) || '', allowedStorage)) || false;
+function sendSyncRequest(allowedStorage: any, url: string, partner: number, firstPartyData: any, newUser: boolean): void {
+  const lastSyncDate: any = Number(readData(SYNC_KEY(partner) || '', allowedStorage)) || false;
   const lastSyncElapsedTime = Date.now() - lastSyncDate;
 
   if (firstPartyData.isOptedOut) {
@@ -225,7 +362,7 @@ function sendSyncRequest(allowedStorage, url, partner, firstPartyData, newUser)
  * @param {string} gamParameterName - The name of the GAM targeting parameter where the group value will be stored.
  * @param {string} userGroup - The A/B testing group assigned to the user (e.g., 'A', 'B', or a custom value).
  */
-export function setGamReporting(gamObjectReference, gamParameterName, userGroup, isBlacklisted = false) {
+export function setGamReporting(gamObjectReference: any, gamParameterName: string, userGroup: any, isBlacklisted = false): void {
   if (isBlacklisted) return;
   if (isPlainObject(gamObjectReference) && gamObjectReference.cmd) {
     setKeyValueOn(gamParameterName, userGroup, gamObjectReference);
@@ -237,13 +374,13 @@ export function setGamReporting(gamObjectReference, gamParameterName, userGroup,
  * @param {object} clientHints - Raw client hints data
  * @return {string} A JSON string of processed client hints or an empty string if no hints
  */
-export function handleClientHints(clientHints) {
-  const chParams = {};
+export function handleClientHints(clientHints: any): string {
+  const chParams: Record<string, string> = {};
   for (const key in clientHints) {
     if (clientHints.hasOwnProperty(key) && clientHints[key] !== '') {
       if (['brands', 'fullVersionList'].includes(key)) {
         let handledParam = '';
-        clientHints[key].forEach((element, index) => {
+        clientHints[key].forEach((element: any, index: number) => {
           const isNotLast = index < clientHints[key].length - 1;
           handledParam += `"${element.brand}";v="${element.version}"${isNotLast ? ', ' : ''}`;
         });
@@ -258,13 +395,13 @@ export function handleClientHints(clientHints) {
   return Object.keys(chParams).length ? JSON.stringify(chParams) : '';
 }
 
-export function isCMPStringTheSame(fpData, cmpData) {
-  return ['gdprString', 'gppString', 'uspString'].every(field =>
+export function isCMPStringTheSame(fpData: any, cmpData: any): boolean {
+  return ['gdprString', 'gppString', 'uspString'].every((field: string) =>
     areCmpValuesEqual(fpData[field], cmpData[field])
   );
 }
 
-function updateCountersAndStore(runtimeEids, allowedStorage, partnerData) {
+function updateCountersAndStore(runtimeEids: any, allowedStorage: any, partnerData: any): void {
   if (!runtimeEids?.eids?.length) {
     noDataCount++;
   } else {
@@ -273,21 +410,20 @@ function updateCountersAndStore(runtimeEids, allowedStorage, partnerData) {
   storeCounters(allowedStorage, partnerData);
 }
 
-function clearCountersAndStore(allowedStorage, partnerData) {
+function clearCountersAndStore(allowedStorage: any, partnerData: any): void {
   callCount = 0;
   failCount = 0;
   noDataCount = 0;
   storeCounters(allowedStorage, partnerData);
 }
 
-function storeCounters(allowedStorage, partnerData) {
+function storeCounters(allowedStorage: any, partnerData: any): void {
   partnerData.callCount = callCount;
   partnerData.failCount = failCount;
   partnerData.noDataCounter = noDataCount;
   storeData(PARTNER_DATA_KEY, JSON.stringify(partnerData), allowedStorage, firstPartyData);
 }
 
-/** @type {Submodule} */
 export const intentIqIdSubmodule = {
   /**
    * used to link submodule with config
@@ -301,7 +437,7 @@ export const intentIqIdSubmodule = {
    * @param {{string}} value
    * @returns {{intentIqId: {string}}|undefined}
    */
-  decode(value) {
+  decode(value: string) {
     return value && INVALID_ID !== value ? { 'intentIqId': value } : undefined;
   },
 
@@ -312,9 +448,9 @@ export const intentIqIdSubmodule = {
    * @returns {IdResponse|undefined}
    */
   getId(config) {
-    const configParams = (config?.params) || {};
+    const configParams: IntentIqIdSystemParams = (config.params ?? {}) as unknown as IntentIqIdSystemParams;
 
-    const firePartnerCallback = () => {
+    const firePartnerCallback = (): void => {
       if (configParams.callback && !callbackFired) {
         callbackFired = true;
         if (callbackTimeoutID) clearTimeout(callbackTimeoutID);
@@ -333,29 +469,29 @@ export const intentIqIdSubmodule = {
 
     initializeGlobalIIQ(configParams.partner);
 
-    let decryptedData, callbackTimeoutID;
+    let decryptedData: any, callbackTimeoutID: ReturnType<typeof setTimeout> | undefined;
     let callbackFired = false;
-    let runtimeEids = { eids: [] };
+    let runtimeEids: any = { eids: [] };
 
     const gamObjectReference = isPlainObject(configParams.gamObjectReference) ? configParams.gamObjectReference : undefined;
     const gamParameterName = configParams.gamParameterName ? configParams.gamParameterName : 'intent_iq_group';
     const groupChanged = typeof configParams.groupChanged === 'function' ? configParams.groupChanged : undefined;
     const siloEnabled = typeof configParams.siloEnabled === 'boolean' ? configParams.siloEnabled : false;
-    sourceMetaData = isStr(configParams.sourceMetaData) ? translateMetadata(configParams.sourceMetaData) : '';
+    sourceMetaData = isStr(configParams.sourceMetaData) ? translateMetadata(configParams.sourceMetaData as string) : '';
     sourceMetaDataExternal = isNumber(configParams.sourceMetaDataExternal) ? configParams.sourceMetaDataExternal : undefined;
     const additionalParams = configParams.additionalParams ? configParams.additionalParams : undefined;
     const chTimeout = Number(configParams?.chTimeout) >= 0 ? Number(configParams.chTimeout) : 10;
     PARTNER_DATA_KEY = `${FIRST_PARTY_KEY}_${configParams.partner}`;
 
-    const allowedStorage = defineStorageType(config.enabledStorageTypes);
-    partnerData = tryParse(readData(PARTNER_DATA_KEY, allowedStorage)) || {};
+    const allowedStorage: AllowedStorageType[] = defineStorageType((config as any).enabledStorageTypes);
+    partnerData = tryParse(readData(PARTNER_DATA_KEY, allowedStorage) as string) || {};
 
     let rrttStrtTime = 0;
     let shouldCallServer = false;
     FIRST_PARTY_KEY_FINAL = `${FIRST_PARTY_KEY}${siloEnabled ? '_p_' + configParams.partner : ''}`;
     const cmpData = getCmpData();
     const gdprDetected = cmpData.gdprString;
-    firstPartyData = tryParse(readData(FIRST_PARTY_KEY_FINAL, allowedStorage));
+    firstPartyData = tryParse(readData(FIRST_PARTY_KEY_FINAL, allowedStorage) as string);
     actualABGroup = defineABTestingGroup(configParams, partnerData?.terminationCause);
     if (groupChanged) groupChanged(actualABGroup, partnerData?.terminationCause);
     const currentBrowserLowerCase = detectBrowser();
@@ -395,11 +531,11 @@ export const intentIqIdSubmodule = {
     // Read client hints from storage
     clientHints = readData(CLIENT_HINTS_KEY, allowedStorage);
     const chSupported = isCHSupported();
-    let chPromise = null;
+    let chPromise: Promise<string> | null = null;
 
-    function fetchAndHandleCH() {
-      return navigator.userAgentData.getHighEntropyValues(CH_KEYS)
-        .then(raw => {
+    function fetchAndHandleCH(): Promise<string> {
+      return (navigator as any).userAgentData.getHighEntropyValues(CH_KEYS)
+        .then((raw: any) => {
           const nextCH = handleClientHints(raw) || '';
           const prevCH = clientHints || '';
           if (nextCH !== prevCH) {
@@ -408,7 +544,7 @@ export const intentIqIdSubmodule = {
           }
           return nextCH;
         })
-        .catch(err => {
+        .catch((err: any) => {
           logError('CH fetch failed', err);
           if (clientHints !== '') {
             clientHints = '';
@@ -420,7 +556,7 @@ export const intentIqIdSubmodule = {
 
     if (chSupported) {
       chPromise = fetchAndHandleCH();
-      chPromise.catch(err => {
+      chPromise.catch((err: any) => {
         logError('fetchAndHandleCH failed', err);
       });
     } else {
@@ -428,8 +564,8 @@ export const intentIqIdSubmodule = {
       removeDataByKey(CLIENT_HINTS_KEY, allowedStorage);
     }
 
-    function waitOnCH(timeoutMs) {
-      const timeout = new Promise(resolve => setTimeout(() => resolve(''), timeoutMs));
+    function waitOnCH(timeoutMs: number): Promise<any> {
+      const timeout = new Promise<string>(resolve => setTimeout(() => resolve(''), timeoutMs));
       return Promise.race([chPromise, timeout]);
     }
 
@@ -448,14 +584,14 @@ export const intentIqIdSubmodule = {
       }
     }
 
-    function updateGlobalObj() {
+    function updateGlobalObj(): void {
       if (globalName) {
-        window[globalName].partnerData = partnerData;
-        window[globalName].firstPartyData = firstPartyData;
-        window[globalName].clientHints = clientHints;
-        window[globalName].actualABGroup = actualABGroup;
-        window[globalName].abPercentage = getEffectiveAbPercentage(configParams.abPercentage);
-        window[globalName].userProvidedAbPercentage = configParams.abPercentage;
+        (window as any)[globalName].partnerData = partnerData;
+        (window as any)[globalName].firstPartyData = firstPartyData;
+        (window as any)[globalName].clientHints = clientHints;
+        (window as any)[globalName].actualABGroup = actualABGroup;
+        (window as any)[globalName].abPercentage = getEffectiveAbPercentage(configParams.abPercentage);
+        (window as any)[globalName].userProvidedAbPercentage = configParams.abPercentage;
       }
     }
 
@@ -487,7 +623,7 @@ export const intentIqIdSubmodule = {
       firePartnerCallback();
     }
 
-    function buildAndSendPixel(ch) {
+    function buildAndSendPixel(ch: string): void {
       const url = createPixelUrl(firstPartyData, ch, configParams, partnerData, cmpData);
       sendSyncRequest(allowedStorage, url, configParams.partner, firstPartyData, newUser);
     }
@@ -502,7 +638,7 @@ export const intentIqIdSubmodule = {
           buildAndSendPixel(clientHints);
         } else {
           waitOnCH(chTimeout)
-            .then(ch => buildAndSendPixel(ch || ''));
+            .then((ch: any) => buildAndSendPixel(ch || ''));
         }
       } else {
         buildAndSendPixel('');
@@ -519,7 +655,7 @@ export const intentIqIdSubmodule = {
     updateGlobalObj(); // update global object before server request, to make sure analytical adapter will have it even if the server is "not in time"
 
     // use protocol relative urls for http or https
-    let url = `${getIiqServerAddress(configParams)}/profiles_engine/ProfilesEngineServlet?at=39&mi=10&dpi=${configParams.partner}&pt=17&dpn=1`;
+    let url = `${getIiqServerAddress(configParams as any)}/profiles_engine/ProfilesEngineServlet?at=39&mi=10&dpi=${configParams.partner}&pt=17&dpn=1`;
     url += configParams.pai ? '&pai=' + encodeURIComponent(configParams.pai) : '';
     url = appendFirstPartyData(url, firstPartyData, partnerData);
     url = appendPartnersFirstParty(url, configParams);
@@ -543,24 +679,24 @@ export const intentIqIdSubmodule = {
     // Add vrref and fui to the URL
     url = appendVrrefAndFui(url, configParams.domainName);
 
-    const storeFirstPartyData = () => {
+    const storeFirstPartyData = (): void => {
       partnerData.eidl = runtimeEids?.eids?.length || -1;
       storeData(FIRST_PARTY_KEY_FINAL, JSON.stringify(firstPartyData), allowedStorage, firstPartyData);
       storeData(PARTNER_DATA_KEY, JSON.stringify(partnerData), allowedStorage, firstPartyData);
     };
 
-    const resp = function (callback) {
+    const resp = function (callback: (value: any) => void) {
       const callbacks = {
-        success: response => {
+        success: (response: any) => {
           if (rrttStrtTime && rrttStrtTime > 0) {
             partnerData.rrtt = Date.now() - rrttStrtTime;
           }
-          const respJson = tryParse(response);
+          const respJson = tryParse(response) as any;
           // If response is a valid json and should save is true
           if (respJson) {
             partnerData.date = Date.now();
             firstPartyData.sCal = Date.now();
-            const defineEmptyDataAndFireCallback = () => {
+            const defineEmptyDataAndFireCallback = (): void => {
               respJson.data = partnerData.data = runtimeEids = { eids: [] };
               storeFirstPartyData();
               firePartnerCallback();
@@ -662,7 +798,7 @@ export const intentIqIdSubmodule = {
             firePartnerCallback();
           }
         },
-        error: error => {
+        error: (error: any) => {
           logError(MODULE_NAME + ': ID fetch encountered an error', error);
           failCount++;
           updateCountersAndStore(runtimeEids, allowedStorage, partnerData);
@@ -676,7 +812,7 @@ export const intentIqIdSubmodule = {
 
       rrttStrtTime = Date.now();
 
-      const sendAjax = uh => {
+      const sendAjax = (uh: string) => {
         if (uh) url += '&uh=' + encodeURIComponent(uh);
         ajax(url, callbacks, undefined, { method: 'GET', withCredentials: true });
       };
@@ -687,7 +823,7 @@ export const intentIqIdSubmodule = {
           sendAjax(clientHints);
         } else {
           // No CH in LS: wait up to chTimeout, then send
-          waitOnCH(chTimeout).then(ch => {
+          waitOnCH(chTimeout).then((ch: any) => {
             // Send with received CH or without it
             sendAjax(ch || '');
           });
@@ -697,25 +833,25 @@ export const intentIqIdSubmodule = {
         sendAjax('');
       }
     };
-    const respObj = { callback: resp };
+    const respObj: any = { callback: resp };
 
     if (runtimeEids?.eids?.length) respObj.id = runtimeEids.eids;
     return respObj;
   },
   eids: {
-    'intentIqId': {
+    [MODULE_NAME]: {
       source: 'intentiq.com',
-      atype: 1,
-      getSource: function (data) {
+      atype: '1',
+      getSource: function (data: any) {
         return data.source;
       },
-      getValue: function (data) {
+      getValue: function (data: any) {
         if (data?.uids?.length) {
           return data.uids[0].id;
         }
         return null;
       },
-      getUidExt: function (data) {
+      getUidExt: function (data: any) {
         if (data?.uids?.length) {
           return data.uids[0].ext;
         }